Standardize usage of virtual/override/final in chrome/browser/

chrome/browser/diagnostics/diagnostics_writer.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_DIAGNOSTICS_DIAGNOSTICS_WRITER_H_
 #define CHROME_BROWSER_DIAGNOSTICS_DIAGNOSTICS_WRITER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/diagnostics/diagnostics_model.h"
 
 namespace diagnostics {
 
 // Console base class used internally.
 class SimpleConsole;
 
 class DiagnosticsWriter : public DiagnosticsModel::Observer {
  public:
   // The type of formatting done by this writer.
   enum FormatType {
     MACHINE,
     LOG,
     HUMAN
   };
 
   explicit DiagnosticsWriter(FormatType format);
-  virtual ~DiagnosticsWriter();
+  ~DiagnosticsWriter() override;
 
   // How many tests reported failure.
   int failures() { return failures_; }
 
   // What format are we writing things in.
   FormatType format() const { return format_; }
 
   // Write an informational line of text in white over black. String must be
   // UTF8 encoded. A newline will be added for non-LOG output formats.
   bool WriteInfoLine(const std::string& info_text);
 
   // DiagnosticsModel::Observer overrides
-  virtual void OnTestFinished(int index, DiagnosticsModel* model) override;
-  virtual void OnAllTestsDone(DiagnosticsModel* model) override;
-  virtual void OnRecoveryFinished(int index, DiagnosticsModel* model) override;
-  virtual void OnAllRecoveryDone(DiagnosticsModel* model) override;
+  void OnTestFinished(int index, DiagnosticsModel* model) override;
+  void OnAllTestsDone(DiagnosticsModel* model) override;
+  void OnRecoveryFinished(int index, DiagnosticsModel* model) override;
+  void OnAllRecoveryDone(DiagnosticsModel* model) override;
 
  private:
   // Write a result block. For humans, it consists of two lines. The first line
   // has [PASS] or [FAIL] with |name| and the second line has the text in
   // |extra|. For machine and log formats, we just have [PASS] or [FAIL],
   // followed by the exact error code and the id. Name and extra strings must be
   // UTF8 encoded, as they are user-facing strings.
   bool WriteResult(bool success,
                    const std::string& id,
                    const std::string& name,
                    int outcome_code,
                    const std::string& extra);
 
   scoped_ptr<SimpleConsole> console_;
 
   // Keeps track of how many tests reported failure.
   int failures_;
   FormatType format_;
 
   DISALLOW_COPY_AND_ASSIGN(DiagnosticsWriter);
 };
 
 }  // namespace diagnostics
 
 #endif  // CHROME_BROWSER_DIAGNOSTICS_DIAGNOSTICS_WRITER_H_